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Re: instance dns issue

 

Hmm. telnet to 53 is not working.

Paras.


On Fri, May 17, 2013 at 3:20 PM, Ashok Kumaran <ashokkumaran.b@xxxxxxxxx>wrote:

> Can you telnet to port 53 of local DNS ip from your instance (IP in your
> resolv.conf) ?  If its not working then you might need to check your local
> quantum dnsmasq settings.
>
>
> On Sat, May 18, 2013 at 1:45 AM, Paras pradhan <pradhanparas@xxxxxxxxx>wrote:
>
>> Thanks. Yes I got the concept but something is not working. I can't
>> resolv the hosts from my instances.
>>
>> Thanks
>> Paras.
>>
>>
>> On Fri, May 17, 2013 at 3:10 PM, Ashok Kumaran <ashokkumaran.b@xxxxxxxxx>wrote:
>>
>>> It will not populate the external DNS ip  in your resolv.conf . Instead
>>> the external DNS will be used by the local quantum dnsmasq for the name
>>> resolution purpose.
>>>
>>> For an instance lets say that your network node has a DNS ip of some
>>> xx.xx.xx.xx  in its resolv.conf . By adding the same IP to the
>>> dhcp_agent.ini you can make your instances to use the same DNS. I hope you
>>> got the concept
>>>
>>>
>>> On Sat, May 18, 2013 at 1:32 AM, Paras pradhan <pradhanparas@xxxxxxxxx>wrote:
>>>
>>>> So adding dnsmasq_dns_server= "external DNS IP" should populate the
>>>> resolv.conf of my instances with the externel DNS IP?
>>>>
>>>> I did that but still seeing the same ip on resolv.conf.
>>>>
>>>> Paras.
>>>>
>>>>
>>>> On Fri, May 17, 2013 at 2:17 PM, Ashok Kumaran <
>>>> ashokkumaran.b@xxxxxxxxx> wrote:
>>>>
>>>>> I am assuming that you have a DNS externally and you want the
>>>>> instances to use that DNS. If this is the requirement then
>>>>> you will have to add dnsmasq_dns_server= "external DNS IP" in your
>>>>> /etc/quantum/dhcp_agent.ini.Now your launched instances(VM's) can use
>>>>> external DNS through quantum dnsmasq.
>>>>>
>>>>> Please let us know if you have some other requirement.
>>>>>
>>>>> -Ashok
>>>>>
>>>>>
>>>>> On Sat, May 18, 2013 at 12:38 AM, Paras pradhan <
>>>>> pradhanparas@xxxxxxxxx> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> My instances can ping the ips but not using dns. The resolv.conf gets
>>>>>> populated by the private instance network dns ip (10.0.0.2, from
>>>>>> 10.0.0.0/24) . I can ping the dns ip but dns resolv is not working.
>>>>>> What might be the issue?
>>>>>>
>>>>>> I am on quantum and grizzly in 12.04 lts.
>>>>>>
>>>>>> Thanks
>>>>>> Paras.
>>>>>>
>>>>>> _______________________________________________
>>>>>> Mailing list: https://launchpad.net/~openstack
>>>>>> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
>>>>>> Unsubscribe : https://launchpad.net/~openstack
>>>>>> More help   : https://help.launchpad.net/ListHelp
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Regds,
>>>>>
>>>>> Ashok ,
>>>>> Delivery Consultant,
>>>>> HP.
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Regds,
>>>
>>> Ashok ,
>>> Delivery Consultant,
>>> HP.
>>>
>>
>>
>
>
> --
> Regds,
>
> Ashok ,
> Delivery Consultant,
> HP.
>

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